#zTree table,
#zTree th,
#zTree td {
    list-style: none;
    margin: 0;
    padding: 0;
    color: #333;
    font-size: 12px;
    font-family: dotum, Verdana, Arial, Helvetica, AppleGothic, sans-serif;
}

#zTree #testIframe {
    margin-left: 10px;
}